Thomas Nittner

Linear Regression Models with Incomplete Categorical Covariates

Helge Toutenburg, Thomas Nittner, H. Toutenburg, 2002, Comput. Stat..

The additive model affected by missing completely at random in the covariate

Thomas Nittner, T. Nittner, 2004, Comput. Stat..

Identifying Missing Data Mechanisms in (2 x 2)-Contingency Tables

Helge Toutenburg, Thomas Nittner, 2004 .